```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>TrackWeight - 利用MacBook触控板实现精准称重</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css">
    <link rel="stylesheet" href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Hiragino Sans GB", Simsun, sans-serif;
            color: #333;
            line-height: 1.6;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .highlight {
            position: relative;
            z-index: 1;
        }
        .highlight:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 30%;
            background-color: rgba(118, 75, 162, 0.2);
            z-index: -1;
            transition: height 0.3s ease;
        }
        .highlight:hover:after {
            height: 100%;
        }
        .mermaid {
            background: white;
            border-radius: 0.5rem;
            padding: 1.5rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        .drop-cap:first-letter {
            float: left;
            font-size: 4rem;
            line-height: 0.8;
            padding: 0.2rem 0.5rem 0 0;
            color: #764ba2;
            font-weight: bold;
        }
    </style>
</head>
<body class="antialiased">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-4 md:py-32">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0 md:pr-10">
                    <h1 class="text-4xl md:text-5xl lg:text-6xl font-bold leading-tight mb-6 font-serif">TrackWeight</h1>
                    <p class="text-xl md:text-2xl opacity-90 mb-8">将你的MacBook触控板转变为精准称重工具</p>
                    <p class="text-lg opacity-80 mb-8">一个开源macOS应用，利用Force Touch触控板将压力数据转化为重量测量，最高支持3.5公斤。</p>
                    <div class="flex flex-wrap gap-4">
                        <a href="#features" class="bg-white text-purple-700 hover:bg-purple-50 px-6 py-3 rounded-full font-medium transition duration-300 inline-flex items-center">
                            <i class="fas fa-star mr-2"></i> 核心功能
                        </a>
                        <a href="https://github.com/KrishKrosh/TrackWeight" target="_blank" class="bg-transparent border-2 border-white hover:bg-white hover:text-purple-700 px-6 py-3 rounded-full font-medium transition duration-300 inline-flex items-center">
                            <i class="fab fa-github mr-2"></i> GitHub项目
                        </a>
                    </div>
                </div>
                <div class="md:w-1/2">
                    <div class="bg-white bg-opacity-10 rounded-xl p-4 backdrop-blur-sm border border-white border-opacity-20">
                        <div class="bg-white rounded-lg overflow-hidden shadow-xl">
                            <div class="bg-gray-100 p-3 flex items-center">
                                <div class="flex space-x-2">
                                    <div class="w-3 h-3 rounded-full bg-red-500"></div>
                                    <div class="w-3 h-3 rounded-full bg-yellow-500"></div>
                                    <div class="w-3 h-3 rounded-full bg-green-500"></div>
                                </div>
                                <div class="text-center flex-grow text-gray-700 text-sm font-medium">TrackWeight</div>
                            </div>
                            <div class="p-6 text-center">
                                <div class="flex justify-center mb-6">
                                    <div class="w-32 h-32 bg-gray-200 rounded-full flex items-center justify-center">
                                        <i class="fas fa-weight text-5xl text-purple-600"></i>
                                    </div>
                                </div>
                                <div class="text-4xl font-bold text-purple-700 mb-2 tracking-tight">0 g</div>
                                <div class="text-gray-600 mb-6">轻触触控板开始称重</div>
                                <div class="grid grid-cols-2 gap-4">
                                    <div class="bg-purple-100 text-purple-800 py-2 px-3 rounded-lg">
                                        <div class="text-sm">最大重量</div>
                                        <div class="font-bold">3.5 kg</div>
                                    </div>
                                    <div class="bg-purple-100 text-purple-800 py-2 px-3 rounded-lg">
                                        <div class="text-sm">精度</div>
                                        <div class="font-bold">±1 g</div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Problem Section -->
    <section class="py-16 px-4 bg-gray-50">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold text-gray-900 mb-4 font-serif">它能解决什么问题？</h2>
                <div class="w-20 h-1 bg-purple-600 mx-auto"></div>
            </div>
            <div class="grid md:grid-cols-2 gap-10 items-center">
                <div>
                    <p class="text-xl text-gray-700 mb-6 drop-cap">日常生活中，轻量级称重需求（如厨房食材、邮寄包裹）常需专用电子秤，但这些设备不便携且成本较高。用户可能面临以下痛点：</p>
                    <ul class="space-y-4">
                        <li class="flex items-start">
                            <div class="flex-shrink-0 h-6 w-6 rounded-full bg-purple-100 text-purple-600 flex items-center justify-center mr-3 mt-1">
                                <i class="fas fa-exclamation text-xs"></i>
                            </div>
                            <span>缺乏便携式称重工具，需额外购买设备</span>
                        </li>
                        <li class="flex items-start">
                            <div class="flex-shrink-0 h-6 w-6 rounded-full bg-purple-100 text-purple-600 flex items-center justify-center mr-3 mt-1">
                                <i class="fas fa